code.delx.au - pulseaudio/blob - src/pulse/client-conf.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <errno.h>
  30 #include <string.h>
  31
  32 #include <pulse/xmalloc.h>
  33
  34 #include <pulsecore/macro.h>
  35 #include <pulsecore/core-error.h>
  36 #include <pulsecore/log.h>
  37 #include <pulsecore/conf-parser.h>
  38 #include <pulsecore/core-util.h>
  39 #include <pulsecore/authkey.h>
  40
  41 #include "client-conf.h"
  42
  43 #define DEFAULT_CLIENT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "client.conf"
  44 #define DEFAULT_CLIENT_CONFIG_FILE_USER "client.conf"
  45
  46 #define ENV_CLIENT_CONFIG_FILE "PULSE_CLIENTCONFIG"
  47 #define ENV_DEFAULT_SINK "PULSE_SINK"
  48 #define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
  49 #define ENV_DEFAULT_SERVER "PULSE_SERVER"
  50 #define ENV_DAEMON_BINARY "PULSE_BINARY"
  51 #define ENV_COOKIE_FILE "PULSE_COOKIE"
  52
  53 static const pa_client_conf default_conf = {
  54     .daemon_binary = NULL,
  55     .extra_arguments = NULL,
  56     .default_sink = NULL,
  57     .default_source = NULL,
  58     .default_server = NULL,
  59     .autospawn = TRUE,
  60     .disable_shm = FALSE,
  61     .cookie_file = NULL,
  62     .cookie_valid = FALSE,
  63 };
  64
  65 pa_client_conf *pa_client_conf_new(void) {
  66     pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  67
  68     c->daemon_binary = pa_xstrdup(PA_BINARY);
  69     c->extra_arguments = pa_xstrdup("--log-target=syslog");
  70     c->cookie_file = pa_xstrdup(PA_NATIVE_COOKIE_FILE);
  71
  72     return c;
  73 }
  74
  75 void pa_client_conf_free(pa_client_conf *c) {
  76     pa_assert(c);
  77     pa_xfree(c->daemon_binary);
  78     pa_xfree(c->extra_arguments);
  79     pa_xfree(c->default_sink);
  80     pa_xfree(c->default_source);
  81     pa_xfree(c->default_server);
  82     pa_xfree(c->cookie_file);
  83     pa_xfree(c);
  84 }
  85
  86 int pa_client_conf_load(pa_client_conf *c, const char *filename) {
  87     FILE *f = NULL;
  88     char *fn = NULL;
  89     int r = -1;
  90
  91     /* Prepare the configuration parse table */
  92     pa_config_item table[] = {
  93         { "daemon-binary",          pa_config_parse_string,  NULL },
  94         { "extra-arguments",        pa_config_parse_string,  NULL },
  95         { "default-sink",           pa_config_parse_string,  NULL },
  96         { "default-source",         pa_config_parse_string,  NULL },
  97         { "default-server",         pa_config_parse_string,  NULL },
  98         { "autospawn",              pa_config_parse_bool,    NULL },
  99         { "cookie-file",            pa_config_parse_string,  NULL },
 100         { "disable-shm",            pa_config_parse_bool,    NULL },
 101         { NULL,                     NULL,                    NULL },
 102     };
 103
 104     table[0].data = &c->daemon_binary;
 105     table[1].data = &c->extra_arguments;
 106     table[2].data = &c->default_sink;
 107     table[3].data = &c->default_source;
 108     table[4].data = &c->default_server;
 109     table[5].data = &c->autospawn;
 110     table[6].data = &c->cookie_file;
 111     table[7].data = &c->disable_shm;
 112
 113     if (filename) {
 114
 115         if (!(f = fopen(filename, "r"))) {
 116             pa_log("Failed to open configuration file '%s': %s", fn, pa_cstrerror(errno));
 117             goto finish;
 118         }
 119
 120         fn = pa_xstrdup(fn);
 121
 122     } else {
 123
 124         if (!(f = pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn)))
 125             if (errno != ENOENT)
 126                 goto finish;
 127     }
 128
 129     r = f ? pa_config_parse(fn, f, table, NULL) : 0;
 130
 131     if (!r)
 132         r = pa_client_conf_load_cookie(c);
 133
 134 finish:
 135     pa_xfree(fn);
 136
 137     if (f)
 138         fclose(f);
 139
 140     return r;
 141 }
 142
 143 int pa_client_conf_env(pa_client_conf *c) {
 144     char *e;
 145
 146     if ((e = getenv(ENV_DEFAULT_SINK))) {
 147         pa_xfree(c->default_sink);
 148         c->default_sink = pa_xstrdup(e);
 149     }
 150
 151     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 152         pa_xfree(c->default_source);
 153         c->default_source = pa_xstrdup(e);
 154     }
 155
 156     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 157         pa_xfree(c->default_server);
 158         c->default_server = pa_xstrdup(e);
 159     }
 160
 161     if ((e = getenv(ENV_DAEMON_BINARY))) {
 162         pa_xfree(c->daemon_binary);
 163         c->daemon_binary = pa_xstrdup(e);
 164     }
 165
 166     if ((e = getenv(ENV_COOKIE_FILE))) {
 167         pa_xfree(c->cookie_file);
 168         c->cookie_file = pa_xstrdup(e);
 169
 170         return pa_client_conf_load_cookie(c);
 171     }
 172
 173     return 0;
 174 }
 175
 176 int pa_client_conf_load_cookie(pa_client_conf* c) {
 177     pa_assert(c);
 178
 179     if (!c->cookie_file)
 180         return -1;
 181
 182     c->cookie_valid = FALSE;
 183
 184     if (pa_authkey_load_auto(c->cookie_file, c->cookie, sizeof(c->cookie)) < 0)
 185         return -1;
 186
 187     c->cookie_valid = TRUE;
 188     return 0;
 189 }